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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 309 | $file = 'page'; |
| 310 | } else { |
| 311 | if ( !current_user_can( 'edit_post', $post->ID ) ) |
| 312 | return; |
| 313 | |
| 314 | $file = 'post'; |
| 315 | } |
| 316 | |
| 317 | $link = '<a href="' . get_edit_post_link( $post->ID ) . '" title="' . __( 'Edit post' ) . '">' . $link . '</a>'; |
| 318 | echo $before . apply_filters( 'edit_post_link', $link, $post->ID ) . $after; |
| 319 | } |
| 320 | |
| 321 | function get_edit_comment_link( $comment_id = 0 ) { |
| 322 | $comment = &get_comment( $comment_id ); |
| 323 | $post = &get_post( $comment->comment_post_ID ); |
| 324 | |
| 325 | if ( $post->post_type == 'attachment' ) { |
| 326 | return; |
| 327 | } elseif ( $post->post_type == 'page' ) { |